Identical twin brothers who own a detective agency hatch a plan to expose a phony group of psychics, but soon find themselves involved in a murder.
| Actor | Role |
|---|---|
| JJim HagerTony Thomas | Tony Thomas |
| JJon HagerShep Thomas | Shep Thomas |
 Lillian GishBilly Jo Haskins | Billy Jo Haskins |
 Patrick O'NealLeonard Rainier | Leonard Rainier |
 Michael ConstantineBen Sampson | Ben Sampson |
 Otis YoungCartwright | Cartwright |
 Barbara RhoadesSheila Rainier | Sheila Rainier |
 David WhiteMarvin Telford | Marvin Telford |
 Fred BeirDr. Hudson | Dr. Hudson |
 Lynda Day GeorgeNancy Pendleton | Nancy Pendleton |
 Randi OakesJennie | Jennie |
| JJames VictorLt. Martinez | Lt. Martinez |
| FFrank LondonHutchins | Hutchins |
 Billy BartyBartender | Bartender |
 Carmen ArgenzianoNot listed | Not listed |